<?php
Yii::import('common.models.page.*');
class PageController extends Controller {

    /**
     * Creates a new model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     */
    public function actionCreate() {
        $model = new Page;

        // Uncomment the following line if AJAX validation is needed
        $this->performAjaxValidation($model);

        if (isset($_POST['Page'])) {
            $model->attributes = $_POST['Page'];

            if ($model->save()){
                //save block
                //set block
                if(isset($_POST['block'])){
                    foreach ($_POST['block'] as $block){
                        $pageBlock = new PageBlock;
                        $pageBlock->attributes = array(
                            'page_id' => $model->page_id,
                            'block_id' => $block['id'],
                            'region' => $block['region'],
                            'status' => 1
                        );

                        $pageBlock->save();
                    }
                }


                $this->redirect(array('update', 'id' => $model->page_id));
            }
        }

        //get blocks
        $blocks = Block::model()->findAll();
        $this->render('create', array(
            'model' => $model,
            'blocks' => $blocks
        ));
    }

    /**
     * Updates a particular model.
     * If update is successful, the browser will be redirected to the 'view' page.
     * @param integer $id the ID of the model to be updated
     */
    public function actionUpdate($id) {
        $model = $this->loadModel($id);

        // Uncomment the following line if AJAX validation is needed
        $this->performAjaxValidation($model);

        if (isset($_POST['Page'])) {
            $model->attributes = $_POST['Page'];
            if ($model->save()){
                //remove page block first (many - many)
                PageBlock::model()->deleteAll('page_id='.$model->page_id);
                //add new
                if(isset($_POST['block'])){
                    foreach($_POST['block'] as $block){
                        //insert new
                        $pageBlock = new PageBlock();
                        $pageBlock->attributes = array(
                            'page_id' => $model->page_id,
                            'block_id' => $block['id'],
                            'region' => $block['region'],
                            'status' => 1
                        );
                        $pageBlock->save();
                    }
                }
            }
        }

        //get blocks
        $blocks = Block::model()->findAll();
        $this->render('update', array(
            'model' => $model,
            'blocks' => $blocks
        ));
    }

    /**
     * Deletes a particular model.
     * If deletion is successful, the browser will be redirected to the 'admin' page.
     * @param integer $id the ID of the model to be deleted
     */
    public function actionDelete($id) {
        if (Yii::app()->request->isPostRequest) {
            // we only allow deletion via POST request
            $this->loadModel($id)->delete();

            // if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
            if (!isset($_GET['ajax']))
                $this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
        }
        else
            throw new CHttpException(400, 'Invalid request. Please do not repeat this request again.');
    }


    /**
     * Manages all models.
     */
    public function actionIndex() {
        $model = new Page('search');
        $model->unsetAttributes();  // clear any default values
        if (isset($_GET['Page']))
            $model->attributes = $_GET['Page'];

        $this->render('admin', array(
            'model' => $model,
        ));
    }

    /**
     * Returns the data model based on the primary key given in the GET variable.
     * If the data model is not found, an HTTP exception will be raised.
     * @param integer the ID of the model to be loaded
     */
    public function loadModel($id) {
        $model = Page::model()->findByPk($id);
        if ($model === null)
            throw new CHttpException(404, 'The requested page does not exist.');
        return $model;
    }

    /**
     * Performs the AJAX validation.
     * @param CModel the model to be validated
     */
    protected function performAjaxValidation($model) {
        if (isset($_POST['ajax']) && $_POST['ajax'] === 'page-form') {
            echo CActiveForm::validate($model);
            Yii::app()->end();
        }
    }

    /**
     * get block from list
     * ajax request alow
     */
    public function actionAddBlock($region, $index){
        $model = new PageBlock();
        $model->region = $region;
        //get blocks
        $blocks = Block::model()->findAll();
        $this->renderPartial('_block', array(
            'blocks' => $blocks,
            'model' => $model,
            'index' => $index
        ));
    }



}
